439908420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{2099}}^1$

素因数の和:2617

約数の個数: 96

約数和(自身を含む): 1411200000

約数和(自身を除く): 971291580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 499, 998, 1497, 1996, 2099, 2495, 2994, 3493, 4198, 4990, 5988, 6297, 6986, 7485, 8396, 9980, 10479, 10495, 12594, 13972, 14693, 14970, 17465, 20958, 20990, 25188, 29386, 29940, 31485, 34930, 41916, 41980, 44079, 52395, 58772, 62970, 69860, 73465, 88158, 104790, 125940, 146930, 176316, 209580, 220395, 293860, 440790, 881580, 1047401, 2094802, 3142203, 4189604, 5237005, 6284406, 7331807, 10474010, 12568812, 14663614, 15711015, 20948020, 21995421, 29327228, 31422030, 36659035, 43990842, 62844060, 73318070, 87981684, 109977105, 146636140, 219954210, 439908420]

約数ペア:

[(1, 439908420), (2, 219954210), (3, 146636140), (4, 109977105), (5, 87981684), (6, 73318070), (7, 62844060), (10, 43990842), (12, 36659035), (14, 31422030), (15, 29327228), (20, 21995421), (21, 20948020), (28, 15711015), (30, 14663614), (35, 12568812), (42, 10474010), (60, 7331807), (70, 6284406), (84, 5237005), (105, 4189604), (140, 3142203), (210, 2094802), (420, 1047401), (499, 881580), (998, 440790), (1497, 293860), (1996, 220395), (2099, 209580), (2495, 176316), (2994, 146930), (3493, 125940), (4198, 104790), (4990, 88158), (5988, 73465), (6297, 69860), (6986, 62970), (7485, 58772), (8396, 52395), (9980, 44079), (10479, 41980), (10495, 41916), (12594, 34930), (13972, 31485), (14693, 29940), (14970, 29386), (17465, 25188), (20958, 20990)]